@InProceedings{AR92,

Author       = "M. Alpuente and  M.J. Ram\'{\i}rez",

Title        = "An {E}quational {C}onstraint {L}ogic {A}pproach to
		             {C}onceptual {M}odelling",

BookTitle    = "$3^{rd}$ Int'l Conf. on Database and Expert Systems
		              Aplications DEXA'92",

Pages        = "26-32",

Publisher    = "Springer Verlag, Wien New York",

Editors      = "A. M. Tjoa and I. Ramos"

}